diff --git a/Isosurfacing_3/include/CGAL/Isosurfacing_3/internal/dual_contouring_functors.h b/Isosurfacing_3/include/CGAL/Isosurfacing_3/internal/dual_contouring_functors.h
index fb349f30f1c..0883bcc02a9 100644
--- a/Isosurfacing_3/include/CGAL/Isosurfacing_3/internal/dual_contouring_functors.h
+++ b/Isosurfacing_3/include/CGAL/Isosurfacing_3/internal/dual_contouring_functors.h
@@ -104,8 +104,8 @@ bool cell_position_QEM(const typename Domain::cell_descriptor& c,
 #endif
 
   FT x_min, y_min, z_min, x_max, y_max, z_max;
-  x_min = y_min = z_min = (std::numeric_limits<FT>::max)(); // @todo domain.span()
-  x_max = y_max = z_max = std::numeric_limits<FT>::lowest();
+  x_min = y_min = z_min =   (std::numeric_limits<double>::max)();
+  x_max = y_max = z_max = - (std::numeric_limits<double>::max)();
   FT x(0), y(0), z(0);
 
   if(constrain_to_cell)
diff --git a/Isosurfacing_3/include/CGAL/Isosurfacing_3/internal/topologically_correct_marching_cubes_functors.h b/Isosurfacing_3/include/CGAL/Isosurfacing_3/internal/topologically_correct_marching_cubes_functors.h
index 784769a7d21..f70b585e996 100644
--- a/Isosurfacing_3/include/CGAL/Isosurfacing_3/internal/topologically_correct_marching_cubes_functors.h
+++ b/Isosurfacing_3/include/CGAL/Isosurfacing_3/internal/topologically_correct_marching_cubes_functors.h
@@ -1039,7 +1039,7 @@ private:
           for(int r=0; r<cnt_sz; ++r)
           {
             unsigned int index = -1;
-            FT dist = (std::numeric_limits<FT>::max)();
+            FT dist = (std::numeric_limits<double>::max)();
             unsigned int ci = get_c(i, r, c_);
             const FT u_edge = e_vert(ci, 0);
             const FT v_edge = e_vert(ci, 1);